Posting piling



March 1967 DU VAL CRAVENS ETAL 3,307,362

POSTING FILING Filed Dec. 12, 1963 INVENTORS.

United States Patent ice 3,307,362 POSTING PILING DuVal Cravens, Buffalo, N.Y., and Robert F. McGuire, Shawnee Mission, Kans., assignors to Osmose Wood Preserving Co. of America, Inc., Buffalo, N.Y.

Filed Dec. 12, 1963, Ser. No. 330,113 3 Claims. (Cl. 61-54) This invention relates to a new and useful method of repairing deteriorated piling and the like, and to a new and useful posted piling construction.

Wood poles and piling are particularly vulnerable to deterioration at the groundline area. When the groundline area falls below required strength standards, the entire pole or piling often is replaced even though as much as 95 percent or more of the member remains sound. This invention, however, is directed to the restoration of such structures, by replacing the deteriorated section with a sound section, a technique known as posting.

A primary object of this invention is to provide a posting method, and posted piling or the like, which can be conveniently accomplished, at a reasonable cost, and which provides a dependable and durable restoration.

In one aspect thereof, the method of repairing piling and the like in accordance with our invention is characterized by the steps of removing the deteriorated section, positioning a replacement section in the piling in place of the deteriorated section with a bonding agent in the joints between the replacement section and the piling, forming a first set of pin receiving holes extending obliquely through the piling on the upper side of the replacement section across the joint therebetween and into the replacement section, forming a second set of pin receiving holes extending obliquely through the replacement section across the joint and into the piling below the replacement section, and inserting pins in the holes, the holes being spaced apart around the posted piling.

A posted piling or the like constructed in accordance with our invention is characterized in one aspect thereof by the provision, in a piling from which a deteriorated section has been removed leaving spaced apart piling sections, of a replacement section positioned between the spaced apart sections and bonded thereto, a first set of pins extending obliquely between the piling section above the replacement section and the replacement section, and a second set of pins extending obliquely between the replacement section and the piling section therebelow, the pins being spaced apart around the posted piling.

The foregoing and other objects, advantages and characterizing features of our invention will become clearly apparent from the ensuing detailed description of an illustrative embodiment thereof, considered in conjunction with the accompanying drawing depicting a posted piling of our invention, wherein like reference numerals denote like parts throughout the various views and wherein:

FIG. 1 is a side elevational view of a posted piling of our invention, the opposite ends of the piling being broken away for ease of illustration;

FIG. 2 is a longitudinal sectional view thereof, taken about on line 22 of FIG. 1; and

FIG. 3 is a transverse sectional view thereof, taken about on line 33 of FIG. 2.

Referring now in detail to the accompanying drawing, there is shown a piling, generally designated 1, which has been posted in accordance with our invention. To this end, piling 1 has been spliced, by providing a replacement section 2 positioned in place of the deteriorated section, not shown, which has been removed, leaving the spaced apart original piling sections 3 and 4.

In carrying out the method of our invention, the extent 3,307,362 Patented Mar. 7, 1967 of decayed area is determined and the deteriorated section of piling is removed, as by sawing it off above and below the decayed area. This leaves the spaced sections 3 and 4, for example. Then, a replacement section, such as shown at 2, is cut to size. In doing this, the replacement section is cut to a length slightly less than the spacing between the piling sections 3, 4, leaving a measurable space on the order of one-eighth inch, for example, between the replacement section 2 and the spaced piling sections 3 and 4.

The cut off ends of the replacement section 2 are treated with preservative, and wetted with an epoxy resin.

Then, spacing members are provided at each end of the replacement section, comprising in the illustrated embodiment a number of metal washers 5 fastened to the opposite ends of the section 2 by roofing nails 6, or the like. Four washers 5 are provided on each end of section 2, there being one in each quadrant, as clearly shown in FIG. 3 which could as well as be a like section taken at the same position across the joint between sections 2 and 3. The exposed ends of the piling sections 3 and 4 also are treated with preservative and wetted with epoxy. The replacement section 2 then is positioned in place, between the piling sections 3 and 4, the epoxy carried by the various sections filling the joints therebetween, as shown at 7 in FIG. 2. The joints then are wrapped, as by a pressure sensitive tape 8, to contain the epoxy bonding agent 7 in thejoints.

The provision of a measurable spacing between sections 2 and 3, which is maintained by spacing members 5, is important because the epoxy resin used herein, unlike many otherbonding agents, works best when there is a measurable thickness of the bonding agent present in the joint. Also, such spacing compensates for unevenness in cutting the piling and the replacement section.

Then, a first set of holes 9 are bored through the piling section 3, obliquely downwardly across the joint between sections 2 and 3, and into section 2. The holes are spaced apart approximately around the piling, and extend at about 45, crossing one another at a point below the joint, in the replacement section. The holes are of a size to receive steel pins 10 which can have a diameter of three-eighths inch and a length of ten inches. In like manner, a second set of holes 9 are bored through the replacement section, across the joint between sections 2 and 4, and into the piling section 4. Here again, the holes are spaced apart approximately 90 around the posted piling, and extend at about a 45 angle, crossing in the piling section 4, below the joint. Each set of holes is arranged to extend a substantial distance below the associated joint, on the order of three inches, for example.

Before inserting the pins 10 in the holes, the holes are filled with the epoxy resin bonding agent, and the steel pins 10 then are rammed home in the holes 9.

From the foregoing, it will be seen that the posting method of our invention is relatively simple and easily carried out in the field, resulting in a posted piling to .which the requisite strength has been restored at the previously decayed area. While we have illustrated and described in detail only one embodiment of our invention, that has been done by way of illustration, it being our intention that the scope of our invention be defined by the appended claims.

Having fully disclosed and completely described our invention, and the manner in which it is carried out, what we claim as new is:

1. The method of repairing piling and the like having a deteriorated section which comprises removing the deteriorated section, preparing a replacement section slightly shorter than the removed deteriorated section, treating the exposed end surfaces of the piling and of the replacement section with preservative, applying spacing members to the exposed ends of the replacement section, applying an epoxy resin to the exposed ends of the piling and of the replacement section, positioning the replacement section in the piling in place of the removed deteriorated section, the replacement section being of sulficient length that with the spacing members and the resin it contacts the exposed ends of the piling, forming a first set of pin-receiving holes extending obliquely through the piling on the upper side of the replacement section across the joint therebetween and into the replacement section, forming a second set of pin-receiving holes extending obliquely through the replacement section across the joint and into the piling below the replacement section, and inserting pins in said holes, said holes being spaced apart around the posted piling 2. The method of repairing piling and the like having a deteriorated section which comprises removing the deteriorated section, preparing a replacement section slightly shorter than the removed deteriorated section, treating the exposed end surfaces of the piling and of the replacement section with preservative, applying spacing members to the exposed ends of the replacement section, applying an epoxy resin to the exposed ends of the piling and of the replacement section, positioning the replacement section in the piling in place of the removed deteriorated section, the replacement section being of sufficient length that with the spacing members and the resin in contacts the exposed ends of the piling, wrapping the joints between the replacement section and the piling with tape to contain the epoxy resin in the joints, forming a first set of pin-receiving holes extending obliquely through the piling on the upper side of the replacement section across the joint therebetween and into the replacement section, forming a second set of pin-receiving holes extending obliquely through the replacement section across the joint and into the piling below the replacement section, applying epoxy resin to said holes,.and inserting pins in said holes, said holes being spaced apart approximately 90 around the posted piling and extending inwardly thereof at approximately 3. A posted piling or the like comprising, in combination with a piling from which a deteriorated section has been removed leaving spaced apart piling sections, a replacement section positioned between said spaced apart sections, said replacement section being shorter than the spacing between said spaced apart sections to provide relatively thick joints therebetween, spacing members in said joints between said sections, said joints being filled with epoxy resin, tape around said joints to retain said resin, a first set of pins extending obliquely at about 45 through the piling section above said replacement section across the joint therebetween and into said replacement section, a second set of pins extending obliquely at about 45 through said replacement section across the lower joint and into the piling section therebelow, said pins being bonded to said sections and being spaced apart approximately around said posted piling References Cited by the Examiner UNITED STATES PATENTS 43,357 6/1864 Walton 6153 1,110,621 9/1914 Gabel 2092 FOREIGN PATENTS 1,153,689 8/1963 Germ-any.

OTHER REFERENCES Engr. News-Record, June 1963, page 121.

CHARLES E. OCONNELL, Primary Examiner.

JACOB SHAPIRO, Examiner. 

1. THE METHOD OF REPAIRING PILING AND THE LIKE HAVING A DETERIORATED SECTION WHICH COMPRISES REMOVING THE DETERIORATED SECTION, PREPARING A REPLACEMENT SECTION SLIGHTLY SHORTER THAN THE REMOVED DETERIORATED SECTION, TREATING THE EXPOSED END SURFACES OF THE PILING AND OF THE REPLACEMENT SECTION WITH PRESERVATIVE, APPLYING SPACING MEMBERS TO THE EXPOSED ENDS OF THE REPLACEMENT SECTION, APPLYING AN EPOXY RESIN TO THE EXPOSED ENDS OF THE PILING AND OF THE REPLACEMENT SECTION, POSITIONING THE REPLACEMENT SECTION IN THE PILING IN PLACE OF THE REMOVED DETERIORATED SECTION, THE REPLACEMENT SECTION BEING OF SUFFICIENT LENGTH THAT WITH THE SPACING MEMBERS AND THE RESIN IT CONTACTS THE EXPOSED ENDS OF THE PILING, FORMING A FIRST SET OF PIN-RECEIVING HOLES EXTENDING OBLIQUELY THROUGH THE PILING ON THE UPPER SIDE OF THE REPLACEMENT SECTION ACROSS THE JOINT THEREBETWEEN AND INTO THE REPLACEMENT SECTION, FORMING A SECOND SET OF PIN-RECEIVING HOLES EXTENDING OBLIQUELY THROUGH THE REPLACEMENT SECTION ACROSS THE JOINT AND INTO THE PILING BELOW THE REPLACEMENT SECTION, AND INSERTING PINS IN SAID HOLES, SAID HOLES BEING SPACED APART AROUND THE POSTED PILING. 